bus
1 Americannoun
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a large motor vehicle, having a long body, equipped with seats or benches for passengers, usually operating as part of a scheduled service; omnibus.
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(formerly) a similar horse-drawn vehicle.
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a passenger automobile or airplane used in a manner resembling that of a bus.
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any vehicle operated to transport children to school.
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a low, movable filing cabinet.
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Also called busbar. Also called bus bar,. Electricity. a heavy conductor, often made of copper in the shape of a bar, used to collect, carry, and distribute powerful electric currents, as those produced by generators.
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Computers. a circuit that connects the CPU with other devices in a computer.
verb (used with object)
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to convey or transport by bus.
to bus the tourists to another hotel.
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to transport (pupils) to school by bus, especially as a means of achieving socioeconomic or racial diversity among students in a public school.
verb (used without object)
idioms
verb (used with or without object)
abbreviation
noun
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Sometimes called: motorbus. More formal name: omnibus. a large motor vehicle designed to carry passengers between stopping places along a regular route
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short for trolleybus
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(modifier) of or relating to a bus or buses
a bus driver
a bus station
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informal a car or aircraft, esp one that is old and shaky
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electronics computing short for busbar
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the part of a MIRV missile payload containing the re-entry vehicles and guidance and thrust devices
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astronautics a platform in a space vehicle used for various experiments and processes
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to miss an opportunity; be too late
verb
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to travel or transport by bus
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to transport (children) by bus from one area to a school in another in order to create racially integrated classes
Other Word Forms
Noun Inflected Forms
Etymology
Origin of bus1
First recorded in 1825–35; short for omnibus; bus 1 def. 6 short for omnibus bar
Origin of bus2
First recorded in 1830–40; back formation from busboy
Explanation
A bus is a long vehicle with many seats. An elementary school student might save a seat on the school bus each morning for her best friend. A city bus carries far more passengers than a private car, which makes it an efficient form of transportation. When bus is used as a verb, it means to transport by bus, sometimes in an effort to desegregate a school district: "The city will bus students from this neighborhood to the other side of town." It also means "to clear a table" in restaurant lingo, which is often done by a "bus boy" or a "busser."
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Inside the terminal, Edythe Bull, 72, had missed the bus and was waiting for the next one.
From Slate • Jul. 7, 2026
“On the way here, on the bus, I saw a lot of passion in the people,” Tuchel said.
From Los Angeles Times • Jul. 6, 2026
"I have a concrete house but with the noise and the wind, it's scary," said the 51-year-old, who drives a school bus for the US military.
From Barron's • Jul. 5, 2026
The couple usually walk into Bedford for food shopping or catch a bus to Milton Keynes before walking around the shopping centre.
From BBC • Jul. 3, 2026
Had he even spoken to Chip since this morning at the bus stop?
From "Found" by Margaret Peterson Haddix
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.